Re: [dns-privacy] Alternative signalling propsals

2018-12-14 Thread Mark Andrews
> On 15 Dec 2018, at 11:37 am, Daniel Kahn Gillmor > wrote: > > On Fri 2018-12-14 22:58:09 +, Stephen Farrell wrote: > >> I'm probably exposing my lack of DNS-clue, but I wonder if it >> is/isn't possible to embed a "like/want/offer privacy" signal >> in the DNS protocol, rather than in

Re: [dns-privacy] Alternative signalling propsals

2018-12-14 Thread Stephen Farrell
Hiya, On 15/12/2018 00:37, Daniel Kahn Gillmor wrote: > i think you're suggesting some sort of "starttls"-like mechanism -- > start a DNS connection to an authoritative server, and then the server > lets you know "hey you might also want to try me in the future via > private channels" > > is

Re: [dns-privacy] Alternative signalling propsals

2018-12-14 Thread Daniel Kahn Gillmor
On Fri 2018-12-14 22:58:09 +, Stephen Farrell wrote: > I'm probably exposing my lack of DNS-clue, but I wonder if it > is/isn't possible to embed a "like/want/offer privacy" signal > in the DNS protocol, rather than in the data carried by the > protocol? (Regardless of whether the latter

Re: [dns-privacy] Alternative signalling propsals

2018-12-14 Thread Daniel Kahn Gillmor
On Fri 2018-12-14 17:43:44 -0500, Paul Wouters wrote: > We fixed that with tls-dnssec-chain :P > > I'll leave it up to others to wonder why and how this did not move > forward, and is now going via ISE. > > Sorry for the side-track of this discussion. This isn't sidetrack at all, it was one of

Re: [dns-privacy] Alternative signalling propsals

2018-12-14 Thread Stephen Farrell
Hiya, I'm probably exposing my lack of DNS-clue, but I wonder if it is/isn't possible to embed a "like/want/offer privacy" signal in the DNS protocol, rather than in the data carried by the protocol? (Regardless of whether the latter might be done via funny names or new/additional RRs.). The

Re: [dns-privacy] Issues with encoding keys in nameserver DNS names

2018-12-14 Thread Daniel Kahn Gillmor
On Fri 2018-12-14 19:12:41 +0100, A. Schulze wrote: > Am 11.12.18 um 06:38 schrieb Mukund Sivaraman: >> There was some discussion in last night's meeting about encoding keys in >> the DNS name of a nameserver, similar to DNSCurve. There are at least >> some issues with it: >> 1...4 > > 5. Encoding

Re: [dns-privacy] Alternative signalling propsals

2018-12-14 Thread Paul Wouters
On Fri, 14 Dec 2018, Warren Kumari wrote: One of the stated reasons for browsers not doing DANE / TLSA was having to wait for the TLSA record to come back before you can connect.  "Ah! Fine..", says I, "Just do these in parallel -- you will get back the TLSA record at about the same time as

Re: [dns-privacy] Alternative signalling propsals

2018-12-14 Thread Warren Kumari
On Fri, Dec 14, 2018 at 4:38 PM Jon Reed wrote: > > > On Fri, 14 Dec 2018, Warren Kumari wrote: > > > > > > > > > On the call, someone (Wes?) proposed an alternative such as > records in the reverse zones. That would be a huge win for > > us, since we have a small finite set of

Re: [dns-privacy] Alternative signalling propsals

2018-12-14 Thread Jon Reed
On Fri, 14 Dec 2018, Warren Kumari wrote: On the call, someone (Wes?) proposed an alternative such as records in the reverse zones.   That would be a huge win for us, since we have a small finite set of nameserver IPs, and easily control our reverse zones (as, I would

Re: [dns-privacy] Alternative signalling propsals

2018-12-14 Thread Warren Kumari
On Fri, Dec 14, 2018 at 12:43 PM Reed, Jon wrote: > I'd like to start a thread about alternatives to encoding fingerprints in > NS names. As I noted in the meeting (unless I'm significantly > misunderstanding the proposal), this is a non-starter for large operators > like us. It's not

Re: [dns-privacy] Use of separate caches for plain and secure transports

2018-12-14 Thread Christopher Wood
On Dec 14, 2018, 12:29 PM -0800, Daniel Kahn Gillmor , wrote: > On Fri 2018-12-14 11:47:58 -0800, Christopher Wood wrote: > > On Dec 14, 2018, 10:47 AM -0800, Wes Hardaker , wrote: > > > [And, no, we shouldn't go down the road of "privacy requires you disable > > > the cache"] > > > > Would you

Re: [dns-privacy] Use of separate caches for plain and secure transports

2018-12-14 Thread Daniel Kahn Gillmor
On Fri 2018-12-14 11:47:58 -0800, Christopher Wood wrote: > On Dec 14, 2018, 10:47 AM -0800, Wes Hardaker , wrote: >> [And, no, we shouldn't go down the road of "privacy requires you disable >> the cache"] > > Would you mind elaborating on this comment? As you observe, caches are > harmful to

Re: [dns-privacy] Use of separate caches for plain and secure transports

2018-12-14 Thread Christopher Wood
On Dec 14, 2018, 10:47 AM -0800, Wes Hardaker , wrote: > Daniel Kahn Gillmor writes: > > > I have *not* done any analysis of the larger, less-corner-y cases to > > see whether there's a strong argument for or against treating data > > that came in under confidential cover differently once it's in

Re: [dns-privacy] Use of separate caches for plain and secure transports

2018-12-14 Thread Wes Hardaker
Daniel Kahn Gillmor writes: > I have *not* done any analysis of the larger, less-corner-y cases to > see whether there's a strong argument for or against treating data > that came in under confidential cover differently once it's in the > cache. Technically, it's near impossible to completely

Re: [dns-privacy] [Ext] Issues with encoding keys in nameserver DNS names

2018-12-14 Thread Paul Hoffman
On Dec 14, 2018, at 10:12 AM, A. Schulze wrote: > > Am 11.12.18 um 06:38 schrieb Mukund Sivaraman: >> There was some discussion in last night's meeting about encoding keys in >> the DNS name of a nameserver, similar to DNSCurve. There are at least >> some issues with it: >> 1...4 > > 5.

Re: [dns-privacy] Issues with encoding keys in nameserver DNS names

2018-12-14 Thread A. Schulze
Hello, Am 11.12.18 um 06:38 schrieb Mukund Sivaraman: > There was some discussion in last night's meeting about encoding keys in > the DNS name of a nameserver, similar to DNSCurve. There are at least > some issues with it: > 1...4 5. Encoding a key as DNS name of a nameserver makes key rotation

[dns-privacy] DPRIVE phase 2 requirements and milestones document moved to github

2018-12-14 Thread Benno Overeinder
Hi, I have just moved the DPRIVE WG phase 2 document from trac.ietf.org to github. At the end of the virtual meeting, participants indicated that a document on github with revisions (tracking) works very well in a collaborative environment. The document is in the github repo:

[dns-privacy] Alternative signalling propsals

2018-12-14 Thread Reed, Jon
I'd like to start a thread about alternatives to encoding fingerprints in NS names. As I noted in the meeting (unless I'm significantly misunderstanding the proposal), this is a non-starter for large operators like us. It's not feasible to get our customers to change every NS record in their